t’s not just an urban legend. In this age of thin provisioning and growing snapshots, datastores really can (and do) run out of space! vSphere 5 luckily handles it a little better than the previous versions, which just automatically shut down you virtual machine. Now vSphere 5 will simply pause the machine. However, there are some new storage features with vSphere 5 that can help administrators manage their storage more efficiently…and maybe even optimize performance at the same time!
To read more click here.